Oxygen<span>, </span>sulfur<span>, </span>nitrogen<span>, and </span>hydrogen<span>.
</span>
        
                    
             
        
        
        

In humans, the medulla region of the brain is mainly responsible for the regulation process of respiration. It is also called the respiratory rhythm centre. The chemosensitive area located near the respiratory centre sends signals across nerve impulses to alter the rate of expiration to eliminate compounds.
 
        
             
        
        
        
Includes all of the living organisms on earth so it should be glaciers
        
                    
             
        
        
        
Answer: I think it's heart disease
Explanation:
 
        
             
        
        
        
It helps you follow procedures accurately in order to get higher, more accurate results and become a better medical professional